Merge tag 'kvm-arm-for-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master

KVM/ARM Fixes for v4.4-rc3.

Includes some timer fixes, properly unmapping PTEs, an errata fix, and two
tweaks to the EL2 panic code.

2 files changed, 27 insertions, 1 deletions

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 77a622cb48ab..009d83048c8c 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -34,6 +34,8 @@
 #define PCI_DEVICE_ID_INTEL_BSW                 0x22b7
 #define PCI_DEVICE_ID_INTEL_SPTLP               0x9d30
 #define PCI_DEVICE_ID_INTEL_SPTH                0xa130
+#define PCI_DEVICE_ID_INTEL_BXT                 0x0aaa
+#define PCI_DEVICE_ID_INTEL_APL                 0x5aaa
 
 static const struct acpi_gpio_params reset_gpios = { 0, 0, false };
 static const struct acpi_gpio_params cs_gpios = { 1, 0, false };
@@ -210,6 +212,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), },
         { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
         {  }    /* Terminating Entry */
 };
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 55ba447fdf8b..e24a01cc98df 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2744,12 +2744,34 @@ int dwc3_gadget_init(struct dwc3 *dwc)
         }
 
         dwc->gadget.ops                 = &dwc3_gadget_ops;
-        dwc->gadget.max_speed           = USB_SPEED_SUPER;
         dwc->gadget.speed               = USB_SPEED_UNKNOWN;
         dwc->gadget.sg_supported        = true;
         dwc->gadget.name                = "dwc3-gadget";
 
         /*
+         * FIXME We might be setting max_speed to <SUPER, however versions
+         * <2.20a of dwc3 have an issue with metastability (documented
+         * elsewhere in this driver) which tells us we can't set max speed to
+         * anything lower than SUPER.
+         *
+         * Because gadget.max_speed is only used by composite.c and function
+         * drivers (i.e. it won't go into dwc3's registers) we are allowing this
+         * to happen so we avoid sending SuperSpeed Capability descriptor
+         * together with our BOS descriptor as that could confuse host into
+         * thinking we can handle super speed.
+         *
+         * Note that, in fact, we won't even support GetBOS requests when speed
+         * is less than super speed because we don't have means, yet, to tell
+         * composite.c that we are USB 2.0 + LPM ECN.
+         */
+        if (dwc->revision < DWC3_REVISION_220A)
+                dwc3_trace(trace_dwc3_gadget,
+                                "Changing max_speed on rev %08x\n",
+                                dwc->revision);
+
+        dwc->gadget.max_speed           = dwc->maximum_speed;
+
+        /*
          * Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize
          * on ep out.
          */